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Finding the Fourth Proportional to 192,237.10, 288,010.05 and 156,985.90

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Solution

The fourth proportional to 192,237.10, 288,010.05 and 156,985.90 is: 235,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,237.10 : 288,010.05 = 156,985.90 : x
  2. Step 2: Convert to fraction form
    192,237.10/288,010.05 = 156,985.90/x
  3. Step 3: Cross multiply
    192,237.10x = 288,010.05 × 156,985.90
  4. Step 4: Simplify right side
    192,237.10x = 45,213,516,908.30
  5. Step 5: Solve for x
    x = 45,213,516,908.30/192,237.10
  6. Step 6: Final answer
    x = 235,196.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.